you can't
you can play 4 player on zombies (black ops) but not offline you must play only nazi zombies i just found out sorry :)
Black Ops 2 Zombies is harder but also way funner than Black Ops Zombies.
no
Black Ops does have zombies
in zombies yes multiplayer no
Very little actual information has been released on Black Ops II. They do not even admit that there will be 4 player zombies
Yes, zombies are back in Black ops.
go online
hacking
black ops zombies just continues after world at war
yes there are zombies in call of the duty black ops
Because black ops is made by treyarch and they made world at war zombies